99x98+98的简便计算
第1个回答 2021-03-21
简便运算:99ⅹ98+98
=98ⅹ(99+1)
=98ⅹ100
=9800
=98ⅹ(99+1)
=98ⅹ100
=9800
第2个回答 2021-03-21
99x98十98
=(99+1)x98
=100x98
=9800
=(99+1)x98
=100x98
=9800
第3个回答 2021-03-21
=98*(99+1)
=98*100
=9800
=98*100
=9800
第4个回答 2021-03-21
99×98+98
=99×98+1×98
=98×(99+1)
=98×100
=9800
=99×98+1×98
=98×(99+1)
=98×100
=9800
第5个回答 2021-03-22